Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 Kc6 0
2 a5 0
3 f5 0
4 Na6 0
5 Nbc6 0
6 Nd5 0
7 Ng6 0
8 c6 0
9 Ba6 0
10 Nf5 0
11 Ng8 0
12 Kd6 0
13 Kd8 0
14 c5 0
15 a6 0
16 f6 0
17 Ke6 0
18 Ke8 0
19 Nec6 0
20 Bb7 0